[ Blake's looking at the back of the CD, frowning thoughtfully. ]

I don't know, because none of their names match the theme. They're all called Scary Spice, Baby Spice, Posh Spice, Ginger Spice, and Sporty Spice. Hmm.

[ She shuffles through to another CD; this one by an artist called Taylor Swift. ]

Oh, this one is from later-- from 2010. Maybe we just stumbled across a couple of cars whose owners really liked retro music or something.